THE HEAT COMPANY Insole Foot Warmers - 5, 10 or 30 Pairs - EXTRA WARM - 8 Hours of Warmth - Instant Heat - Air Activated - Purely Natural – Small, Medium, Large, X-Large: No. 1 since 1994 8+ hours of warm feet 100% natural ingredients THE HEAT COMPANY Official Supplier of Swiss Ski, the Austria Ski Team and Snowboard Germany! : SMALL: 3 5 Extra thin fits ALL shoes : Simply open the packaging Insole Warmers activate themselves (air activated) Place the Insole Warmers in your shoes : Ideal for all outdoor activities, whether sports, walking or in the stadium finally warm feet! : 10 Pairs (individually removable)